/**
 * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __AICPU_HCCL_DMY_CAL_ALLREDUCE_H__
#define __AICPU_HCCL_DMY_CAL_ALLREDUCE_H__

#include "aicpu_hccl_algorithm.h"

class AicpuHcclDmyCalAllreduce : public AicpuHcclAlgorithm {
public:
    explicit AicpuHcclDmyCalAllreduce(AicpuComContext *ctx) : AicpuHcclAlgorithm(ctx) {}
    ~AicpuHcclDmyCalAllreduce() override = default;
    // determinacy calculate 确定性计算
    HcclResult RunAlgorithm(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
        HcclDataType dataType, u64 strideLen = 0, AivAicpuOpParam *nextTask = nullptr) override;
private:
    // allgather + localreduce
    HcclResult RunAllReduceAL(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
        HcclDataType dataType);
    // reducescatter + localreduce + allgather
    HcclResult RunAllReduceRLA(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
        HcclDataType dataType) const;
};


#endif